Radon is often referred to as the “silent killer,” a designation that highlights its insidious nature. This radioactive gas is both colorless and odorless, making it undetectable through human senses. Despite being a natural byproduct of the decay of uranium in rocks, soil, and water, radon can become a serious health hazard once it accumulates indoors.
Radon is a known carcinogen, meaning it carries a significant risk of causing cancer, specifically lung cancer. It stands as the second leading cause of lung cancer in the United States and takes the primary spot for lung cancer deaths among non-smokers.
The absence of any perceptible qualities means the only reliable method to identify radon is through testing. Regular radon assessments are essential to ensure that levels remain safe and manageable, protecting your household from this unseen threat.
What Homeowners Should Know about Radon Testing
Here are the key things you should know about radon and radon testing.

1. Radon is Present Nationwide
Radon isn’t limited to a single region—in fact, high concentrations of this gas have been detected in every state in the U.S. due to its natural release from minerals found ubiquitously. In Colorado, classified as a Zone 1 state, more than half of homes and buildings exceed the EPA’s action threshold for radon levels.
Radon is produced from the decay of uranium in the earth’s crust and can infiltrate homes through foundation cracks or openings. It can also arise in water sources, subsequently released into the air.
2. Radon Concentrations Can Vary
Radon levels can differ significantly even between neighboring homes. The only way to determine your home’s specific radon concentration is through testing, regardless of your neighbors’ results. Each home is distinct and should be independently tested.
3. Simple and Easy Testing
Radon presence in a residence is straightforward to detect with an easy test. While there are do-it-yourself test kits available, professional testing from experts, such as Colorado Radon Company, is recommended for accuracy in detection, monitoring, and potential mitigation.
4. Essential Testing Recommendations
The EPA and the U.S. Surgeon General strongly advise radon testing, especially for homes being bought or sold. Testing is also necessary if a home has never undergone a radon assessment. Any significant renovation affecting airflow necessitates testing because these changes can redistribute radon within a home. Experts suggest testing every two years due to possible foundation shifts or geological changes underneath properties, which can increase radon risks. Continuous exposure to radon enhances health risks cumulatively.
5. Test Duration Options
Radon tests vary in length from short-term (between 48 to 120 hours) to long-term (lasting from three months up to a year), depending on your needs. Short-term tests provide quick insights into radon activity, while longer tests account for varying conditions influenced by changes in weather or air pressure.
6. Conducting Radon Testing
To execute a short-term radon test, homes are typically sealed for a minimum of 12 hours before using a charcoal-based test kit. These are then sent for lab analysis. Electronic testing by certified technicians is another option, offering quick results—ideal for real estate transactions. Longer-term detection uses devices like electronic monitors or alpha-track detectors to provide ongoing analysis.
7. Cost-Effective Testing Solutions
Radon testing is generally affordable, with DIY kits costing between $25 and $100 based on test duration. Alternatively, Colorado Radon Company provides accurate results and comprehensive solutions to any detected issues.
8. Recommended Radon Levels
The EPA states no level of radon is completely risk-free. However, when indoor radon exceeds 4 picocuries per liter (pCi/L), action is necessary:
- Test again if initial measurements were short-term or used passive devices like charcoal tests.
- Consult Colorado Radon Company for a mitigation system to lower the radon level.
- After installing a reduction system, retest to confirm effectiveness.
If radon levels measure between 2 and 4 pCi/L, a mitigation system is still advised, and further testing should follow in a few months. Below 2 pCi/L, no immediate action is necessary, but periodic tests, especially in areas of new habitation such as basement conversions, are wise.
9. Radon Mitigation
In cases where radon is detected, it’s essential to reduce its concentration. Colorado Radon Company can assess your situation and devise an appropriate mitigation strategy. Generally, systems vent radon outside using fans and pipes, with alarms to signal if the system stops functioning. The EPA suggests these systems can lower radon levels by up to 99%.
10. Choosing the Right Professionals
Not all radon testing and mitigation services are created equal: ensure contractors hold certifications like those from the National Radon Proficiency Program (NRPP) and meet any state licensing requirements. For example, Colorado mandates licensed professionals for radon work as of July 1, 2022.
Colorado Radon Company focuses on providing safety and peace of mind, offering expert testing, monitoring, and mitigation services. For more details or to schedule a radon test, reach out to Colorado Radon Company today.